Table 1.
Characteristics of total, disease-free, and reference populations.
Table 2.
Thyroid-stimulating hormone a concentration by age and gender.
Fig 1.
Thyroid-stimulating hormone and free thyroxine by age and gender in the reference population.
(A) Geometric mean of TSH (mIU/L) by age. (B) Mean of FT4 (ng/dL) by age.
Table 3.
Free thyroxinea concentration by age and gender.
Fig 2.
Relation of urine iodine concentration to thyroid-stimulating hormone.
Table 4.
Urine iodinea concentration by age and gender in the reference population.